Catherine Stewart, PHD
NPI 1275022162 · Clinical Psychologist · Boston, MA
Enrolled with Medicare as Practitioner - Clinical Psychologist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Catherine Stewart, PHD is a Clinical Psychologist provider in Boston, MA (NPI 1275022162).
Provider details
- NPI number
- 1275022162
- Entity type
- Individual
- Primary specialty
- Clinical PsychologistBehavioral Health & Social Service Providers
- Credential
- PHD
- Sex
- Female
- Sole proprietor
- Yes
- License
- 11734 (MA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
8 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2018-05-07
- Last updated
- 2022-03-01
- Certified
- 2021-09-21
Frequently asked questions
- What is Catherine Stewart's NPI number?
- Catherine Stewart's National Provider Identifier (NPI) is 1275022162, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Catherine Stewart's specialty?
- Catherine Stewart is listed in the NPPES registry with a primary specialty of Clinical Psychologist (Behavioral Health & Social Service Providers).
- Where is Catherine Stewart located?
- Catherine Stewart's practice location on file with NPPES is 300 Longwood Ave, Boston, MA 02115-5724.
- What is Catherine Stewart's phone number?
- The practice phone number listed in the NPPES registry for Catherine Stewart is (617) 355-6000.
- Does Catherine Stewart accept Medicare?
- Catherine Stewart is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Catherine Stewart's NPI active?
- Yes — Catherine Stewart's NPI (1275022162) is active in the NPPES registry as of the last update on 2022-03-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.